Universal pneumatic swivel



FIG. 1 is a top plan view of a universal pneumatic swivel, showing mynew design, the bottom being a mirror image of the top shown;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an opposite side elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a front elevational view thereof.

The ornamental design for a universal pneumatic swivel, as shown anddescribed.